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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-05-25 10:18:34 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-25 10:18:34 -0700 |
| commit | 1b85f4ec45a5d63188ee3866bd55eb29fdec7fbf (patch) | |
| tree | 5f69cce0e94396277c4ef25628fdd987b567641e /Objects/obmalloc.c | |
| parent | 2156fec1f7a8f9972e90cdbaf404e3fd9eaccb35 (diff) | |
| download | cpython-git-1b85f4ec45a5d63188ee3866bd55eb29fdec7fbf.tar.gz | |
bpo-27987: pymalloc: align by 16bytes on 64bit platform (GH-12850)
(cherry picked from commit f0be4bbb9b3cee876249c23f2ae6f38f43fa7495)
Co-authored-by: Inada Naoki <songofacandy@gmail.com>
Diffstat (limited to 'Objects/obmalloc.c')
| -rw-r--r-- | Objects/obmalloc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c index 46e84270b2..885ad537ad 100644 --- a/Objects/obmalloc.c +++ b/Objects/obmalloc.c @@ -788,8 +788,14 @@ static int running_on_valgrind = -1; * * You shouldn't change this unless you know what you are doing. */ + +#if SIZEOF_VOID_P > 4 +#define ALIGNMENT 16 /* must be 2^N */ +#define ALIGNMENT_SHIFT 4 +#else #define ALIGNMENT 8 /* must be 2^N */ #define ALIGNMENT_SHIFT 3 +#endif /* Return the number of bytes in size class I, as a uint. */ #define INDEX2SIZE(I) (((uint)(I) + 1) << ALIGNMENT_SHIFT) |